Dense and complex, open or ambiguous in form - as much of the great music of this era was. We hear of AMM, Cardew, MEV, the New York School, experiments with graphic notation and the various stations linking extended techniques, improvisation and the 1960s contemporary music aesthetic, but little of the Polish school one, master in all this and the exploration of electronics. Boguslaw Schaeffer pre-eminent amongst them. This CD collects the 1966 work assemblages in 2 versions, for piano and 8 string violin